Question
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x overbarx, is found to be 112, and the sample standard deviation, s, is found to be 10.
(a) Construct aa 98% confidence interval about muμ if the sample size, n, is 26.
(b) Construct aa 98% confidence interval about muμ if the sample size, n, is 12.
(c) Construct aa 90% confidence interval about muμ if the sample size, n, is 26.
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